Home / 249,555.41-344,386.61-136,378.16

Finding the Fourth Proportional to 249,555.41, 344,386.61 and 136,378.16

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Solution

The fourth proportional to 249,555.41, 344,386.61 and 136,378.16 is: 188,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,555.41 : 344,386.61 = 136,378.16 : x
  2. Step 2: Convert to fraction form
    249,555.41/344,386.61 = 136,378.16/x
  3. Step 3: Cross multiply
    249,555.41x = 344,386.61 × 136,378.16
  4. Step 4: Simplify right side
    249,555.41x = 46,966,812,200.44
  5. Step 5: Solve for x
    x = 46,966,812,200.44/249,555.41
  6. Step 6: Final answer
    x = 188,201.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.